611432534009431 has 2 divisors, whose sum is σ = 611432534009432. Its totient is φ = 611432534009430.

The previous prime is 611432534009417. The next prime is 611432534009491. The reversal of 611432534009431 is 134900435234116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611432534009431 - 2⁵ = 611432534009399 is a prime.

It is a super-2 number, since 2×611432534009431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (611432534009491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305716267004715 + 305716267004716.

It is an arithmetic number, because the mean of its divisors is an integer number (305716267004716).

Almost surely, 2^{611432534009431} is an apocalyptic number.

611432534009431 is a deficient number, since it is larger than the sum of its proper divisors (1).

611432534009431 is an equidigital number, since it uses as much as digits as its factorization.

611432534009431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 611432534009431 in words is "six hundred eleven trillion, four hundred thirty-two billion, five hundred thirty-four million, nine thousand, four hundred thirty-one".